28868385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21149}}^1$

素因数の和:21177

約数の個数: 32

約数和(自身を含む): 56851200

約数和(自身を除く): 27982815

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 21149, 63447, 105745, 148043, 274937, 317235, 444129, 740215, 824811, 1374685, 1924559, 2220645, 4124055, 5773677, 9622795, 28868385]

約数ペア:

[(1, 28868385), (3, 9622795), (5, 5773677), (7, 4124055), (13, 2220645), (15, 1924559), (21, 1374685), (35, 824811), (39, 740215), (65, 444129), (91, 317235), (105, 274937), (195, 148043), (273, 105745), (455, 63447), (1365, 21149)]